| UTR Pro Tennis Series Amsterdam | 2021/11/03 09:00 | Miko Wassermann v Jip Van Assendelft | 1-6,4-5 |
| UTR Pro Tennis Series Amsterdam | 2021/12/09 11:50 | Jip Van Assendelft v Guy Den Heijer | 2-6,2-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/08 07:00 | Jip Van Assendelft v Rob Van Den Berg | 4-6,6-4,6-1 |
| UTR Pro Tennis Series Amsterdam | 2021/12/07 10:00 | Jip Van Assendelft v Jannis Kahlke | 2-6,7-5,6-2 |
| UTR Pro Tennis Series Amsterdam | 2021/12/06 07:00 | Jip Van Assendelft v Michiel de Krom | 2-6,6-2,1-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/07 09:00 | Benjamin Dhoe v Jip Van Assendelft | 3-6,4-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 16:00 | Nathan De Veer v Jip Van Assendelft | 2-6,3-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 09:00 | Jip Van Assendelft v Lawrence Bataljin | 7-6,6-2 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 12:00 | Jip Van Assendelft v Johann Willems | 3-6,2-5 |
| UTR Pro Tennis Series Amsterdam | 2021/12/10 07:00 | Nathan De Veer v Miko Wassermann | 6-2,6-5 |
| UTR Pro Tennis Series Amsterdam | 2021/12/09 10:00 | Yan Sabanin v Miko Wassermann | 6-7,6-4,2-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/08 08:30 | Deney Wassermann v Miko Wassermann | 7-6,4-6,6-2 |
| UTR Pro Tennis Series Amsterdam | 2021/12/06 07:00 | Niklas Koch v Miko Wassermann | 6-4,6-7,3-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 10:30 | Max Houkes v Miko Wassermann | 6-4,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 12:00 | Miko Wassermann v Lawrence Bataljin | 6-1,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/03 09:00 | Miko Wassermann v Jip Van Assendelft | 1-6,4-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/02 12:00 | Miko Wassermann v Johann Willems | 2-6,2-6 |